/Engine/Plugins/FX/Niagara/Source/Niagara/Classes/NiagaraDataInterfaceGrid2DCollection.h
virtual bool RenderVariableToCanvas ( [FNiagaraSystemInstanceID](API\Plugins\NiagaraCore\FNiagaraSystemInstanceID) SystemInstanceID, [FName](API\Runtime\Core\UObject\FName) VariableName, class [FCanvas](API\Runtime\Engine\FCanvas) * Canvas, const FIntRect & DrawRect ) const